﻿using System;
using System.Collections.Generic;
using System.Text;

namespace Database
{
    public class XuLyThamSo
    {
        //Kiem tra so
        public static bool KTSo(string giatri)
        {
            bool kq;
            int n;
            if (int.TryParse(giatri, out n))
            {
                kq = true;
            }
            else
            {
                kq = false;
            }
            return kq;
        }

    }
}
